It is true that r-related species have a short life span and an early reproduction cycle. R-related species also known as r-strategist have a short and simple life span. Due to their simple life span, their nutrient exchange rate with the environment is rapid. Unlike K-selected species, they have the ability to reproduce at a young age. They reproduce a large number of off-springs, but many of their off-springs tend to die before attainment of their reproductive age.
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A blood donor is a person who donates blood and a blood recipient is a person who receives donated blood.
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It is chloroplast I guess because once i read that mitochondria has not much importance in being an autonomous organelle
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Metamorphic rock.
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